🌐 Welcome to Rui Du Mechanical and electrical (Shanghai) Co., Ltd! 🚀 We've been a trailblazer in the electric power industry since our establishment in 2004.

✨ About Us:
With a commitment to excellence, proudly operating under the trademark 'Wrindu,' our test and measurement equipment for the electric power industry has earned international acclaim, boasting ISO9001 certification for quality.

🌍 Global Reach:
Our impact extends worldwide, with successful collaborations in Pakistan, Ethiopia, Rwanda, Cuba, and Bolivia, contributing to major projects that shape the electrical landscape.

🔧 Main Products:
- Transformer Tester
- Transformer Oil Tester
- Circuit Breaker Tester
- Relay Tester
- Other High-voltage Equipment

📨📲Contact：
For inquiries, price lists, and delivery details, reach out to us directly at
Web: www.hvtesters.com
WhatsApp:+86 136 6190 8522
Email: sales@hvtesters.com